Coated steel sheet or strip
CA 2596825 C · Owner: Schoenenberg, Rudolf · Inventors: Meurer, Manfred; Schoenenberg, Rudolf; Zeizinger, Sabine
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a coated steel sheet or coil having a base layer which is composed of steel and to whose at least one top face is applied by , hot dip coating, a zinc coating. In the case of such steel sheets or steel coils, the zinc coating ensures a high level of corrosion resistance. The thicker the coating, the greater this resistance. Thus in the case of a , conventionally alloyed zinc coating in a spraying test performed on a bright uncoated sample in accordance with DIN 50021 red rust occurs after just 24 , hours in the case of a coat add-on of 25 g/m2 whereas with a coating add-on , of 70 g/m2 red rust is formed only after 120 hours. The thickness of the coating that …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed February 15, 2006 and granted March 19, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 15, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.